:root{--bg:#fff6f2;--bg-card:hsla(0,0%,100%,.88);--text:#3f2d2c;--muted:#8c7071;--line:#f2d5cf;--accent:#db786b;--accent-soft:#ffe3da;--accent-strong:#c36458;--btn-secondary-bg:#fff0ea;--assistant-msg:#fff2ee;--user-msg:#ffd9cf;--ok:#1f8b4c}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;background:radial-gradient(circle at 0 -10%,#ffe8df 12%,transparent 48%),radial-gradient(circle at 100% 0,#ffd6ca 10%,transparent 46%),linear-gradient(160deg,#fffaf7,#fff1ea 55%,#ffe8e0);color:var(--text);font-family:Manrope,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}.shell{width:100%;max-width:740px;margin:0 auto;min-height:100svh;padding:12px 12px 88px}.card{background:var(--bg-card);border:1px solid var(--line);border-radius:18px;box-shadow:0 12px 28px rgba(120,58,52,.08);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:card-in .2s ease-out}.btn{border:0;border-radius:14px;padding:12px 16px;font-weight:600;cursor:pointer;transition:transform .14s ease,box-shadow .18s ease,background .18s ease}.btn:hover{transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--accent) 0,var(--accent-strong) 100%);color:#fff;box-shadow:0 8px 16px rgba(194,95,83,.28)}.btn-secondary{background:var(--btn-secondary-bg);color:#6f4e4f}.text-muted{color:var(--muted)}.mobile-bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:10px;width:min(720px,calc(100vw - 20px));background:rgba(255,252,250,.93);border:1px solid var(--line);border-radius:18px;display:grid;grid-template-columns:repeat(6,1fr);overflow:hidden;z-index:20;box-shadow:0 10px 24px rgba(124,59,56,.12);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.mobile-bottom-nav .nav-action,.mobile-bottom-nav a{display:grid;justify-items:center;align-content:center;grid-gap:2px;gap:2px;text-align:center;padding:9px 6px;font-size:10px;color:var(--muted);position:relative}.mobile-bottom-nav .nav-action{border:0;background:transparent;font:inherit;cursor:pointer}.mobile-bottom-nav .nav-icon{font-size:16px}.mobile-bottom-nav .nav-label{line-height:1.1}.mobile-bottom-nav a[data-active=true]{background:var(--accent-soft);color:#7d3f3a;font-weight:700}.mobile-bottom-nav a[data-active=true]:before{content:"";position:absolute;top:0;left:14%;right:14%;height:3px;border-radius:0 0 8px 8px;background:linear-gradient(90deg,#df7e70,#c96659)}.chat-list{display:flex;flex-direction:column;gap:10px;padding:10px}.msg{max-width:90%;border-radius:14px;padding:10px 12px;line-height:1.4;white-space:pre-wrap}.msg-user{align-self:flex-end;background:var(--user-msg);box-shadow:0 6px 14px hsla(8,43%,54%,.16)}.msg-assistant{align-self:flex-start;background:var(--assistant-msg);border:1px solid #f6d8d0}.chat-input-wrap{display:grid;grid-template-columns:1fr auto;grid-gap:8px;gap:8px;padding:10px;border-top:1px solid var(--line)}.chat-input-wrap textarea{resize:none;border:1px solid var(--line);border-radius:12px;padding:10px;font:inherit;min-height:46px;max-height:140px;background:hsla(0,0%,100%,.95)}@media (min-width:860px){.shell{padding-top:20px}}@keyframes card-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}